khost.dk is a .dk domain served by 2 nameservers (mary.ns.cloudflare.com, randall.ns.cloudflare.com). It was registered on 2 November 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.239.221.26 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by khost-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 89.239.221.26 | 300s | 89.239.221.26.dhcp.fibianet.dk | AS44869 | FIBIA P/S | 89.239.192.0/18 | 🇩🇰 Denmark | Odense |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com ~all |
| Policy | Record (khost.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.khost.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA Invalid key data — receivers can't verify signatures |
| dkim | — | RSA Invalid key data — receivers can't verify signatures |
| k1 | — | RSA Invalid key data — receivers can't verify signatures |
| — | RSA Invalid key data — receivers can't verify signatures | |
| s1 | — | RSA Invalid key data — receivers can't verify signatures |
| s2 | — | RSA Invalid key data — receivers can't verify signatures |
| selector1 | selector1-khost-dk._domainkey.forskov.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-khost-dk._domainkey.forskov.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2407146159 |
| Primary NS (MNAME) | mary.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-11-02 |
| Expires | 2027-05-31 (220d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 22:59:24 | 1732ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 01:24:41 | 1016ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 07:00:36 | 1230ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 22:10:18 | 3153ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 02:08:23 | 1167ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 01:27:50 | 1418ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 01:20:32 | 947ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 13:10:01 | 1586ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 11:38:21 | 1641ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 07:17:43 | 1182ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 13:44:35 | 2602ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 06:10:29 | 10640ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 06:17:56 | 2167ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 13:06:19 | 2999ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 03:13:06 | 1135ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 18:34:15 shown | 1185ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:35:17 | 4486ms | 2 NS 1 A 1 MX | 🔒 Secure |